273 WWUS72 KJAX 281744 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 144 PM EDT Tue Jul 28 2026 FLZ038-138-140-240-340-GAZ132>136-149-151-152-250-290145- /O.NEW.KJAX.HT.Y.0014.260729T1500Z-260730T0000Z/ /O.CON.KJAX.HT.Y.0013.000000T0000Z-260729T0000Z/ Inland Flagler-Coastal Flagler-Eastern Marion-Central Marion- Western Marion-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson- Pierce-Brantley-Northern Ware- Including the cities of Needham, New Lacy, Axson, Jesup, Gardi, Ocala Airport, Lynne, Andalusia, Hazlehurst, Anthony, Palm Coast, Bunnell, Baxley, Doctortown, Willacoochee, Alma, Hortense, Pine Grove, Pearson, Espanola, Douglas, Ocala, Plant Hatch, Weirsdale, Hoboken, Waynesville, Blackshear, Waycross, Hickox, Nahunta, Atkinson, Burbank, Raybon, and Moss Bluff 144 PM EDT Tue Jul 28 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 109. For the second Heat Advisory, heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FLZ021-023-024-030-031-035-120-124-125-132-136-137-220-225-232-233-236-237-322-325-333-422-425-433-522-533-633-GAZ153-154-162-163-165-166-264-350-364-290145- /O.NEW.KJAX.XH.A.0001.260729T1500Z-260730T0000Z/ /O.CON.KJAX.HT.Y.0013.000000T0000Z-260729T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Western Hamilton-Trout River-Western Clay- Northeast Coastal St. Johns-Western Alachua-Western Putnam- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Inland Glynn-Coastal Glynn-Echols-Clinch-Inland Camden-Coastal Camden-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Woodbine, Saint Augustine Shore, Amelia City, Fruit Cove, Needmore, Dungeness, Normandy, St. Simons, Butler Beach, Bryceville, Homerville, Fernandina Beach, Bostwick, Oceanway, Durbin, Olustee, Starke, Carraway, Tarboro, Watertown, Homeland, Glynn Haven, Statenville, Bakersville, Orange Park, Bellair, Columbia, Jekyll Island, Saint Augustine Beach, Winfield, Green Cove Springs, Archer, Dover Bluff, Palm Valley, Saint Augustine South, Winokur, Lake City, Kings Ferry, Dupont Center, San Marco, Newnans Lake, Newburn, Live Oak, Yulee, Gainesville Airport, Kingsland, Lulu, Stephen Foster State Park, Ratliff, Newberry, Colesburg, Oleno State Park, Suwannee Valley, Sea Island, Houston, Lakeside, White Springs, Blue Springs, Suwannee River Station, Thalmann, Ortega, New River, Tallyrand, West Lake, Country Club Estate, Waverly, Macclenny, Ponte Vedra Beach, Jennings, Dock Junction, Palatka, Arlington, Hilliard, Lake Butler, Jacksonville, St. George, McAlpin, Switzerland, Anastasia, Race Pond, High Springs, Jasper, Gainesville, Belmont, Picolata, Suwannee Springs, Saint Augustine, Middleburg, Trenton, Riverside, Doctors Inlet, and Folkston 144 PM EDT Tue Jul 28 2026 ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 110. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information, visit us at www.weather.gov/jax CHANEY